18099812353 has 8 divisors (see below), whose sum is σ = 20817255872. Its totient is φ = 15415307856.

The previous prime is 18099812333. The next prime is 18099812359. The reversal of 18099812353 is 35321899081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18099812353 is a prime.

It is a super-2 number, since 2×18099812353² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18099812297 and 18099812306.

It is not an unprimeable number, because it can be changed into a prime (18099812359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8233575 + ... + 8235772.

It is an arithmetic number, because the mean of its divisors is an integer number (2602156984).

Almost surely, 2^18099812353 is an apocalyptic number.

It is an amenable number.

18099812353 is a deficient number, since it is larger than the sum of its proper divisors (2717443519).

18099812353 is a wasteful number, since it uses less digits than its factorization.

18099812353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16469511.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 18099812353 in words is "eighteen billion, ninety-nine million, eight hundred twelve thousand, three hundred fifty-three".